Credit utilization is one of those phrases that sounds more complicated than it actually is. In plain terms, it’s the percentage of your available credit that you’re currently using. If you have a credit card with a $5,000 limit and a $1,000 balance, your utilization on that card is 20 percent. Add up all your cards and their limits, and you get an overall utilization rate that credit scoring models pay close attention to. Along with your payment history, it’s one of the biggest factors in how your credit scores are calculated. The good news is that unlike payment history, which takes years to repair, utilization can improve in a matter of weeks once you understand how it works.

Most experts suggest keeping your utilization under 30 percent, and under 10 percent is even better. That means if your total credit limits add up to $20,000, you’d want to keep your reported balances below $6,000, and ideally closer to $2,000. Here’s the catch that trips up a lot of people: your credit card company reports your balance to the credit bureaus on your statement closing date, not your due date. So even if you pay your bill in full every single month, a high balance on the day your statement closes can still show up on your credit report and drag your scores down. You can be completely debt-free and still look like a heavy credit user on paper.

The most effective fix is also the simplest. Find out when each of your cards closes its statement period, then make a payment a few days before that date. You don’t have to pay the entire balance, just enough to bring the reported number down below that 30 percent threshold. For example, if you charge $900 on a card with a $3,000 limit, you’re at 30 percent right at the line. Paying $400 a few days before the statement closes drops your reported utilization to about 17 percent, even if you pay the rest by the due date as usual. This one habit can move your scores faster than almost anything else, and it costs you nothing but a little planning.

If you carry a balance from month to month, paying before the statement date still helps, but you’ll want to think about the interest you’re paying too. Extra payments toward the principal reduce both your balance and your utilization over time. Some people find it useful to make smaller, more frequent payments throughout the month rather than one large payment at the end. This keeps the reported balance low on a consistent basis and makes budgeting easier. It also avoids the trap of waiting until the due date and forgetting, which is when late fees and penalty rates start to pile up.

Another approach is asking for a higher credit limit on cards you’ve had for a while and managed responsibly. If your limit goes from $5,000 to $8,000 while your balance stays the same, your utilization drops automatically. There’s a small caveat here. A credit limit increase usually triggers a soft inquiry, which doesn’t affect your scores, but some issuers do a hard inquiry instead, which can cause a small, temporary dip. Ask the company which type it uses before you request the increase. And be honest with yourself about whether a higher limit will tempt you to spend more. If it will, this strategy isn’t for you.

It’s also worth knowing that closing a credit card you no longer use can backfire. Closing an account reduces your total available credit, which pushes your utilization percentage up even if your spending hasn’t changed. Unless the card charges an annual fee you don’t want to pay, keeping older accounts open and using them lightly is usually the better move.

Finally, don’t obsess over hitting zero percent utilization. A small reported balance that you pay off in full each month shows lenders you’re using credit responsibly. What matters is staying well below that 30 percent line, paying on time every time, and being consistent. Your utilization changes every month, so it’s one of the few parts of your credit profile you can actively steer. Once you know your statement dates and build the habit of paying before they hit, you’re in control of the number instead of the other way around.